Science: It's a Geep

It looks like a zookeeper's prank: a goat dressed in a sweater of
angora. But the odd-looking creature that appeared on the cover of the
journal Nature last week is no joke. The animal is a crossbreed of two
entirely different species, a goat and a sheep.
Inevitably, it has been dubbed a geep.

Now 18 months old and thriving, the geep was produced by the latest
tricks of embryo manipulation. Scientists at the Institute of Animal
Physiology in Cambridge, England, mingled new embryos from both sheep
and goats when each consisted of no more than four to eight...